Home / 7,144.31-10,723.37-3,449.13

Finding the Fourth Proportional to 7,144.31, 10,723.37 and 3,449.13

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Solution

The fourth proportional to 7,144.31, 10,723.37 and 3,449.13 is: 5,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.31 : 10,723.37 = 3,449.13 : x
  2. Step 2: Convert to fraction form
    7,144.31/10,723.37 = 3,449.13/x
  3. Step 3: Cross multiply
    7,144.31x = 10,723.37 × 3,449.13
  4. Step 4: Simplify right side
    7,144.31x = 36,986,288.74
  5. Step 5: Solve for x
    x = 36,986,288.74/7,144.31
  6. Step 6: Final answer
    x = 5,177.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.